Hartz Home Protection Gel Dog Pads Unique Flash-Dry technology instantly turns liquid into gel, locking in moisture to prevent messy leaks and unpleasant odors Includes 50 dog pads infused with unscented odor eliminating technology that traps unpleasant aromas Each 21" x 21" pad features a plastic backing and border to protect all floor types by blocking leaks Our 6 layer construction dog pad creates a small urine spot, allowing your dog to find fresh, clean spots for multiple uses per pad Available in smaller or larger size counts and perfect for housetraining puppies, senior or sick dogs, extended indoor stays and use during travel